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What makes a process passive?

Diffusion is a passive process which means it does not require energy. Small particles diffuse faster than large ones. Eg substances like oxygen, carbon dioxide and glucose move in and out of cells by diffusion.
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What determines whether a process is active or passive?

There are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done.
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What makes a transport process passive?

Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes. Instead of using cellular energy, like active transport, passive transport relies on the second law of thermodynamics to drive the movement of substances across cell membranes.
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What is the difference between active and passive process?

A passive process occurs without utilising any energy.An active process requires the presence and utilisation of energy to take place.
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Which of the following processes is passive?

Simple diffusion, facilitated diffusion, osmosis and filtration are examples of passive transport.
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PassiveTransport

What are the two types of passive processes?

The two types of passive transport include diffusion and facilitated diffusion.
  • Simple Diffusion. It's the movement of materials from an area of high concentration to that of low concentration until the concentration is equal on both sides (gradient neutralization). ...
  • Facilitated Diffusion. Channel-mediated transport.
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What is an example of an active and passive process?

Phagocytosis, pinocytosis, and sodium-potassium pump are examples of active transport while diffusion, facilitated diffusion and osmosis are examples of passive transport.
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What are 2 differences between active and passive?

The active voice asserts that the person or thing represented by the grammatical subject performs the action represented by the verb. The passive voice makes the subject the person or thing acted on or affected by the action represented by the verb.
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What are the three passive processes?

Transportation through plasma membrane occurs by simple diffusion, osmosis and facilitated diffusion. These are passive transport mechanisms.
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What are the 4 main types of passive transport?

In moving substances across a biological membrane, a passive transport may or may not need the assistance of a membrane protein. There are four major types of passive transport are (1) simple diffusion, (2) facilitated diffusion, (3) filtration, and (4) osmosis.
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What are the 3 kinds of passive transport?

There are three main types of passive transport:
  • Simple diffusion – movement of small or lipophilic molecules (e.g. O2, CO2, etc.)
  • Osmosis – movement of water molecules (dependent on solute concentrations)
  • Facilitated diffusion – movement of large or charged molecules via membrane proteins (e.g. ions, sucrose, etc.)
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How do you determine passive?

A passive sentence is almost the reverse of an active sentence because the object of the verb (the receiver of the action) moves to the front position, and the subject (the doer of the action) moves to the end (usually as a “by phrase”). Below is the pattern: Object + “be” + Verb + (optional “by” phrase).
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What are active vs passive characteristics?

Active people progress toward their goals as quickly as possible, while passive people tend to wait and analyze the situation until the perfect opportunity arises or someone else pushes them into action.
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Is osmosis a passive process?

Osmosis is a form of passive transport when water molecules move from low solute concentration(high water concentration) to high solute or low water concentration across a membrane that is not permeable to the solute.
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Is osmosis a passive or active process?

Osmosis is a passive transport process during which water moves from areas where solutes are less concentrated to areas where they are more concentrated.
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What is an active process?

active process. Movement of substances against a concentration gradient; requires cellular energy in the form of ATP. Active Transport. Active process in which a cell expends energy to move a substance across the membrane against its concentration gradient by transmembrane proteins that function as carriers.
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What is the simple definition of active and passive?

In active voice, the subject of the verb is doing the action, but in passive voice the subject of the verb is being acted on.
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How do you change active to passive?

To change a sentence from active to passive voice, do the following:
  1. Move the active sentence's direct object into the sentence's subject slot.
  2. Place the active sentence's subject into a phrase beginning with the preposition by.
  3. Add a form of the auxiliary verb be to the main verb and change the main verb's form.
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Why active vs passive?

Using active voice often improves clarity, while passive voice can help avoid unnecessary repetition. Active voice can help ensure clarity by making it clear to the reader who is taking action in the sentence.
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Is listening a passive process?

Two common types of listening are active listening and passive listening. While both involve receiving and processing information through hearing, they differ in terms of the listener's level of attention, focus, and responsiveness.
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What are the two types of active processes?

Types of Active Transport
  • Primary Active Transport — Active transport of small molecules that directly use ATP as an energy source.
  • Secondary Active Transport — Active transport of small molecules that uses an established electrochemical gradient to power the movement.
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Is filtration active or passive?

Filtration is another passive process of moving material through a cell membrane. While diffusion and osmosis rely on concentration gradients, filtration uses a pressure gradient. Molecules will move from an area of higher pressure to an area of lower pressure.
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Is facilitated diffusion active or passive?

Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient. Small nonpolar molecules can easily diffuse across the cell membrane.
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What are the characteristics of passive?

Passive Behavior involves saying nothing in a response, keeping feelings to yourself, hiding feelings from others, and perhaps even hiding your feelings from yourself. Passive behavior is often dishonest and involves letting other people violate your personal right to be treated with respect and dignity.
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What are passive qualities?

A passive personality is often characterized by a tendency to avoid confrontation, a reluctance to express opinions or assert oneself, and a preference for going along with the wishes of others.
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